1 files changed, 65 insertions, 0 deletions
diff --git a/spec/services/projects/move_project_group_links_service_spec.rb b/spec/services/projects/move_project_group_links_service_spec.rb
new file mode 100644
index 00000000000..e3d06e6d3d7
--- /dev/null
+++ b/spec/services/projects/move_project_group_links_service_spec.rb
@@ -0,0 +1,65 @@
+require 'spec_helper'
+
+describe Projects::MoveProjectGroupLinksService do
+  let!(:user) { create(:user) }
+  let(:project_with_groups) { create(:project, namespace: user.namespace) }
+  let(:target_project) { create(:project, namespace: user.namespace) }
+  let(:master_group) { create(:group) }
+  let(:reporter_group) { create(:group) }
+  let(:developer_group) { create(:group) }
+
+  subject { described_class.new(target_project, user) }
+
+  describe '#execute' do
+    before do
+      project_with_groups.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+      project_with_groups.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+      project_with_groups.project_group_links.create(group: reporter_group, group_access: Gitlab::Access::REPORTER)
+    end
+
+    it 'moves the group links from one project to another' do
+      expect(project_with_groups.project_group_links.count).to eq 3
+      expect(target_project.project_group_links.count).to eq 0
+
+      subject.execute(project_with_groups)
+
+      expect(project_with_groups.project_group_links.count).to eq 0
+      expect(target_project.project_group_links.count).to eq 3
+    end
+
+    it 'does not move existent group links in the current project' do
+      target_project.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+      target_project.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+
+      expect(project_with_groups.project_group_links.count).to eq 3
+      expect(target_project.project_group_links.count).to eq 2
+
+      subject.execute(project_with_groups)
+
+      expect(project_with_groups.project_group_links.count).to eq 0
+      expect(target_project.project_group_links.count).to eq 3
+    end
+
+    it 'rollbacks changes if transaction fails' do
+      allow(subject).to receive(:success).and_raise(StandardError)
+
+      expect { subject.execute(project_with_groups) }.to raise_error(StandardError)
+
+      expect(project_with_groups.project_group_links.count).to eq 3
+      expect(target_project.project_group_links.count).to eq 0
+    end
+
+    context 'when remove_remaining_elements is false' do
+      let(:options) { { remove_remaining_elements: false } }
+
+      it 'does not remove remaining project group links' do
+        target_project.project_group_links.create(group: master_group, group_access: Gitlab::Access::MASTER)
+        target_project.project_group_links.create(group: developer_group, group_access: Gitlab::Access::DEVELOPER)
+
+        subject.execute(project_with_groups, options)
+
+        expect(project_with_groups.project_group_links.count).not_to eq 0
+      end
+    end
+  end
+end